Apeks XL4+

Apeks XL4+

799.99

The Apeks XL4+ is especially well-suited for the technical exploration diver who prefers cold water climates.

Compact and lightweight, it helps reduce jaw fatigue during long, cold dives. Designed with an innovative, over-moulded endcap in conjunction with the environmental diaphragm that helps prevent ice build-up. The XL4+ makes an ideal stage regulator and is also an excellent high-performance option for the technical exploration diver who is serious about maximizing functionality and minimizing weight.

Read our Apeks XL4 Regulator Review Here!

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Features

1st Stage

• Breakthrough, innovative over-moulded first-stage endcap and environmental

diaphragm help prevent ice build-up that can cause first stage free flow in

extreme circumstances. Also protects the first stage from impact damage

• Large surface area heat exchanger diaphragm clamp helps increase the gas

temperature inside the 1st stage, resulting in improved cold water performance

• Unique over-balanced diaphragm design—as the diver descends, the overbalancing

feature allows the medium pressure gas in the hose to increase at a

faster rate than ambient. This results in superior performance at depth

• Compact machined 1st stage based on the expedition tested Apeks DS4 platform

• Comes standard with 2 HP and 4 MP ports

2nd Stage

• Compact and lightweight 2nd stage improves comfort and helps reduce jaw

fatigue on long duration dives

  • High-performance, pneumatically-balanced, lever-operated poppet valve

  • Large, over-moulded, self-flushing and controllable purge button

  • Ergonomic Venturi lever is easy to use and locate

  • Flexible nylon braided hose has better cold water performance than traditional

    rubber hose

  • Standard metallic hose connection for interchangeability

  • Comfo-Bite mouthpiece has a unique bridge that fits across the upper palate and

    does not require bite pressure to stay in place

  • Re-useable mouthpiece clip makes it simple to change mouthpieces in the field

  • Durable and flexible rubber exhaust tee provides excellent bubble diversion


Specifications

Connections: Yoke and DIN available

Type of first stage: Over-balanced diaphragm design, environmentally sealed

Body Type: One piece forged body

Number of HP ports: 2 (7/16" UNF)

Number of MP ports: 4 (3/8" UNF)

Environmental Dry Kit: Standard

First stage exterior: Satin

Orientation: Convertible LH or RH

Coldwater Use: Yes

Type of second stage: Pneumatically balanced

Opening Effort Control Knob: Yes

Integrated Venturi Lever: Yes

Mouthpiece: Comfo-bite™

Exhaust Tee: Standard, one set

Heat Exchanger for freezing resistance: Yes

Hose Type: Braided Flexi-hose

Overall work of breathing (WOB) scoresAvg. 0.90 joules/liter

Nitrox compatibleYes to 40% O2 when new, out of the box / Can be O2 cleaned to 100%.